Finding the Fourth Proportional to 975,478.62, 1,346,212.71 and 545,732.94
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Solution
The fourth proportional to 975,478.62, 1,346,212.71 and 545,732.94 is: 753,140.67
Step by Step Solution
- Step 1: Write the proportion equation
975,478.62 : 1,346,212.71 = 545,732.94 : x - Step 2: Convert to fraction form
975,478.62/1,346,212.71 = 545,732.94/x - Step 3: Cross multiply
975,478.62x = 1,346,212.71 × 545,732.94 - Step 4: Simplify right side
975,478.62x = 734,672,620,093.67 - Step 5: Solve for x
x = 734,672,620,093.67/975,478.62 - Step 6: Final answer
x = 753,140.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.